Wall lamp



FIG. 1 is a perspective view of a wall lamp showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the figures are for the purpose of illustrating portions of the wall lamp, which form no part of the claimed design. 

CLAIM The ornamental design for a wall lamp, as shown and described. 